package com.xiaoluo.a15_roundrect;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        View view = findViewById(R.id.testView);
        view.setBackgroundColor(-16777216);
        ArrayList<String> arrayList = new ArrayList<>();
    }
}
